da Vinci Watercolor Series 5385 CosmoTop Spin Paint Brush Set, Synthetic with Belt Brush Case, Multiple Sizes, 8 Brushes (Series 5580, 5880) Set includes series 5580 round in sizes 6,8,10,12,16 and series 5880 flat sizes 6 and 12 Cosmo top spin's 5 diameter construction places the thicker diameters on the outside for maximum color absorption Holds more water than any other synthetic Brush case rolls up and snaps shut securely; Belt can be worn around the waist or over the shoulder Certified green manufacturing with sustainable wood handles; handmade in Germany at our family owned factory since 1890